Katsumi Hanashima

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Message transmission system using an area address to transmit messages
- Patent number 7,953,408
- Issue date May 31, 2011
- Hitachi, Ltd.
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication support system, information processing terminal, radi...
- Patent number 7,292,851
- Issue date Nov 6, 2007
- Hitachi, Ltd.
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication support system, information processing terminal, radi...
- Patent number 7,076,247
- Issue date Jul 11, 2006
- Hitachi, Ltd.
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for providing a same user interface and an appropriate graph...
- Patent number 6,081,265
- Issue date Jun 27, 2000
- Hitachi, Ltd.
- Yoshiyuki Nakayama
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Communication support system, information processing terminal, radi...
- Publication number 20080057951
- Publication date Mar 6, 2008
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication support system, information processing terminal, radi...
- Publication number 20060116141
- Publication date Jun 1, 2006
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication support system, information processing terminal, radi...
- Publication number 20020193109
- Publication date Dec 19, 2002
- Emiko Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE